The official told a parliamentary committee that he had raised concerns about the resilience of Heathrow’s electricity supply just days before a fire forced the airport to shut down.

Heathrow Airport faced severe disruptions on 21 March after a power substation fire led to a near 24-hour shutdown, impacting over 250,000 passengers. Airlines had warned Heathrow about vulnerabilities in its power supply days before the incident,

The Heathrow boss has been questioned over the airport’s handling of a power cut following the huge substation fire. Around 300,000 passengers faced disruption in the UK and abroad when Heathrow Airport closed following an overnight blaze at a nearby substation on March 21.

Heathrow Airport was warned about the "resilience" of its power supply in the days before a fire which shut down the airport for over a day last month. Nigel Wicking, chief executive of the Heathrow Airline Operators' Committee,

Heathrow Airport was warned about risks to its power supply days before it closed following a major fire. Nigel Wicking, chief executive of Heathrow Airline Operators Committee, which represents airlines that use the London airport,

Three people have died after a car and a bus were involved in a collision in west London. Metropolitan Police officers found both vehicles alight when they were called to Bedfont Road, Feltham at 23:55 BST on Monday.